source: pcp/src/opt.c@ 774ae8

Last change on this file since 774ae8 was 64fa9e, checked in by Frederik Heber <heber@…>, 17 years ago

Free(): now takes a debug string to know where free error occured
  • Property mode set to 100644
File size: 14.4 KB
Line 
1/** \file opt.c
2 * Option Retrieving and debugger.
3 * This file contains routines that read options from command line GetOptions(),
4 * set the verbosity level SetOutGroup1() and individually for each process
5 * SetOutGroup2() and starting the various debuggers Start_cvd(), Start_dbx(),
6 * Start_ddd(), Start_gdb(), Start_totalview(), Start_ups(), StartDebugger().
7 * And deallocating the debug string FreeDebugStr().
8 *
9 * \date 1998-2000
10 *
11 * $Id: opt.c,v 1.15 2007-02-12 09:44:56 foo Exp $
12 */
13
14#include<stdio.h>
15#include<stdlib.h>
16#include<string.h>
17#include<unistd.h>
18#include<sys/utsname.h>
19#include"data.h"
20#include"helpers.h"
21#include"opt.h"
22
23static char *DebugString = NULL; //!< command line option
24static char *program_name = NULL;//<! copy of argv[0]
25static int debugger_started = 0; //!< "debugger been started?"-flag (0 - no, 1 - yes)
26
27/** Free debug string memory .
28 * Frees memory for DebugString and program_name
29 */
30static void FreeDebugStr(void) {
31 if (DebugString) Free(DebugString, "FreeDebugStr: DebugString");
32 if (program_name) Free(program_name, "FreeDebugStr: program_name");
33}
34
35/*extern char *optarg;
36 extern int optind;*/
37
38/** Reads options from commandline and fills \ref CallOptions.
39 * uses getopt in order to retrieve options from command line, including
40 * most importantly the main paramter file. The rest is just verbosity,
41 * debugging, alarm timer and source file for restarting calculations.\n
42 * Also usage is printed on request
43 *
44 * \param *Call \ref CallOptions structure to be filled
45 * \param argc argument count and ...
46 * \param argv[] .. argument const char array right from command line
47 */
48void GetOptions(struct CallOptions *Call, int argc, char *const argv[]) {
49 /* parsen der Kommandozeile */
50 int c, errflg = 0;
51
52 /* defaults setzen */
53 Call->MainParameterFile = NULL;
54 Call->debug = 0;
55 Call->nicelevel = 0;
56 Call->Out = 0;
57 Call->alarm = 0;
58 Call->proc[PEPsi] = 0;
59 Call->proc[PEGamma] = 0;
60 Call->ReadSrcFiles = 0;
61 Call->WriteSrcFiles = 0;
62 Call->AddNFactor = 1;
63
64 while ((c = getopt(argc, argv, "a:d:D:hn:o:p:m:rvwx")) != -1) {
65 switch (c) {
66 case 'a':
67 Call->alarm = abs(atoi(optarg));
68 break;
69 case 'd':
70 if (DebugString) Free(DebugString, "GetOptions: DebugString");
71 Call->debug = 1;
72 DebugString = (char *)Malloc(strlen(optarg)+1, "GetOptions");
73 strcpy(DebugString, optarg);
74 break;
75 case 'D':
76 if (DebugString) Free(DebugString, "GetOptions: DebugString");
77 DebugString = (char *)Malloc(strlen(optarg)+1, "GetOptions");
78 strcpy(DebugString, optarg);
79 Call->debug = 2;
80 break;
81 case 'h':
82 printf("Usage: %s [-hvxrw ] [-a alarmtime] [-d debugstr|-D debugstr] [-n nicelevel] [-m addNfactor]\n","pcp");
83 printf(" [-o verbosity] mainparameterfile\n");
84 printf(" -a alarmtime Sets alarm to alarmtime seconds. Code will finish after\n");
85 printf(" next timestep, writing out the current state.\n");
86 printf(" -d debugstr Starts debugger right away.\n");
87 printf(" -D debugstr Starts debugger when encountering an error.\n");
88 printf(" Valid syntax for debugstr:\n");
89 printf(" 0 sleep for a minute, no debugger\n");
90 printf(" [host[:display][,debugger]] start debugger xterm on host:display\n");
91 printf(" (if DISPLAY is set or for local connection set host to local).\n");
92 printf(" Valid values for debugger are: gdb, dbx, ddd, cvd, totalview, ups.\n");
93 printf(" -h Displays this help page and exits successfully.\n");
94 printf(" -n nicelevel Decreases priority of process.\n");
95 printf(" -o verbosity Sets verbosity level. Deprecated, use -v instead.\n");
96 printf(" Possible values include: 0-5.\n");
97 printf(" -v Increases verbosity level by one. Default value: 0.\n");
98 printf(" -p n,m procs per Gamma-point, procs per psi\n");
99 printf(" No.of PE = n * m\n");
100 printf(" -r Read old src files.\n");
101 printf(" -w Write src files.\n");
102 printf(" -m f Additional NFactor - to fix read srcpsi\n");
103 printf("For parallel codes it is necessary to specify the main parameter file\n");
104 printf("with an absolute path.\n");
105 exit(EXIT_SUCCESS);
106 case 'n':
107 Call->nicelevel = abs(atoi(optarg));
108 break;
109 case 'o':
110 Call->Out = abs(atoi(optarg));
111 break;
112 case 'p':
113 if (sscanf(optarg, "%d,%d", &Call->proc[PEPsi], &Call->proc[PEGamma]) < 2)
114 errflg++;
115 if (Call->proc[PEPsi] < 1 || Call->proc[PEGamma] < 1) {
116 fprintf(stderr, "proc[i] must be > 0\n");
117 errflg++;
118 }
119 break;
120 case 'r':
121 Call->ReadSrcFiles++;
122 break;
123 case 'v':
124 Call->Out++;
125 break;
126 case 'w':
127 Call->WriteSrcFiles++;
128 break;
129 case 'm':
130 if (sscanf(optarg, "%d", &Call->AddNFactor) < 1)
131 errflg++;
132 if (Call->AddNFactor <= 1) {
133 fprintf(stderr, "AddNFactor must be > 0\n");
134 errflg++;
135 }
136 break;
137 case '?':
138 errflg++;
139 break;
140 default:
141 fprintf(stderr, "GetOptions: getopt() returned character code O%o !?\n", c);
142 errflg++;
143 }
144 }
145 if (errflg) {
146 fprintf(stderr,"Usage: %s [ OPTIONS ] mainparameterfile\nTry '%s -h' for more information.\n", argv[0], argv[0]);
147 exit(EXIT_FAILURE);
148 }
149 if ( optind < argc - 1)
150 fprintf(stderr, "Warning: more than one file specified\n");
151 for ( ; optind < argc ; optind++) {
152 Call->MainParameterFile = (char *)Malloc(strlen(argv[optind])+1, "GetOptions: MainParameterFile");
153 strcpy(Call->MainParameterFile, argv[optind]);
154 }
155
156 /* nun auswerten */
157 program_name = (char *)Malloc(strlen(argv[0]) + 1, "GetOptions");
158 strcpy(program_name, argv[0]);
159 if (Call->alarm) alarm(Call->alarm);
160 if (Call->nicelevel) nice(Call->nicelevel);
161 if (!Call->MainParameterFile) {
162 fprintf(stderr, "Did not specify a main parameter file.\n");
163 exit(EXIT_FAILURE);
164 }
165 atexit(FreeDebugStr); /* nachher aufraeumen */
166}
167
168/** Starts DDD Debugger.
169 * Via a system call the debugger is started with certain paramaters
170 * \param *Host hostname (if not specified, then launched via \a pid)
171 * \param *program program name
172 * \param pid Process ID of te program
173 * \return return value of launched debugger
174 */
175static int Start_ddd(char *Host, char *program, pid_t pid) {
176 char s[MAXDUMMYSTRING];
177 if (Host) sprintf(s, "ddd -display %s %s %ld &", Host, program, (long int)pid);
178 else sprintf(s, "ddd %s %ld &", program, (long int)pid);
179 return system(s);
180}
181
182/** Starts GDB Debugger.
183 * Via a system call the debugger is started with certain paramaters
184 * \param *Host hostname (if not specified, then launched via \a pid)
185 * \param *program program name
186 * \param pid Process ID of te program
187 * \return return value of launched debugger
188 */
189static int Start_gdb(char *Host, char *program, pid_t pid) {
190 char s[MAXDUMMYSTRING];
191 if (Host) sprintf(s, "xterm -display %s -e gdb %s %ld &", Host, program, (long int)pid);
192 else sprintf(s, "xterm -e gdb %s %ld &", program, (long int)pid);
193 return system(s);
194}
195
196/** Starts DBX Debugger.
197 * Via a system call the debugger is started with certain paramaters
198 * \param *Host hostname (if not specified, then launched via \a pid)
199 * \param *program program name
200 * \param pid Process ID of te program
201 * \return return value of launched debugger
202 */
203static int Start_dbx(char *Host, char *program, pid_t pid) {
204 char s[MAXDUMMYSTRING];
205 program = program;
206 if (Host) sprintf(s, "xterm -display %s -e dbx -p %ld &", Host, (long int)pid);
207 else sprintf(s, "xterm -e dbx -p %ld &", (long int)pid);
208 return system(s);
209}
210
211/** Starts CVD Debugger.
212 * Via a system call the debugger is started with certain paramaters
213 * \param *Host hostname (if not specified, then launched via \a pid)
214 * \param *program program name
215 * \param pid Process ID of te program
216 * \return return value of launched debugger
217 */
218static int Start_cvd(char *Host, char *program, pid_t pid) {
219 char s[MAXDUMMYSTRING];
220 program = program;
221 if (Host) sprintf(s, "cvd -pid %ld -display %s &", (long int)pid, Host);
222 else sprintf(s, "cvd -pid %ld &", (long int)pid);
223 return system(s);
224}
225
226/** Starts Totalview Debugger.
227 * Via a system call the debugger is started with certain paramaters
228 * \param *Host hostname (if not specified, then launched via \a pid)
229 * \param *program program name
230 * \param pid Process ID of te program
231 * \return return value of launched debugger
232 */
233static int Start_totalview(char *Host, char *program, pid_t pid) {
234 char s[MAXDUMMYSTRING];
235 int myrank = 0;
236 MPI_Comm_rank(MPI_COMM_WORLD, &myrank);
237 if (myrank) return 0; /* nur einmal totalview aufrufen */
238 if (Host) sprintf(s, "totalview -display %s -p %ld %s &", Host, (long int)pid, program);
239 else sprintf(s, "totalview -p %ld %s &", (long int)pid, program);
240 return system(s);
241}
242
243/** Starts UPS Debugger.
244 * Via a system call the debugger is started with certain paramaters
245 * \param *Host hostname (if not specified, then launched via \a pid)
246 * \param *program program name
247 * \param pid Process ID of te program
248 * \return return value of launched debugger
249 */
250static int Start_ups(char *Host, char *program, pid_t pid) {
251 char s[MAXDUMMYSTRING];
252 if (Host) sprintf(s, "ups -display %s %s %ld &", Host, program, (long int)pid);
253 else sprintf(s, "ups %s %ld &", program, (long int)pid);
254 return system(s);
255}
256
257/** Starts debugger.
258 * Tries to start a certain debugger, specified either via command line
259 * or educatedly guessed (having a list of typical ones), waits a minute
260 * in order to let the debugger have time for its pre-activities
261 *
262 * \warning no mallocs in this routine, no \ref Error
263 */
264void StartDebugger(void) {
265 char Host[MAXDUMMYSTRING] = "", Debugger[MAXDUMMYSTRING] = "";
266 char *host_ptr = Host;
267 int (*Debugger_call) (char *, char *, pid_t);
268 struct utsname op;
269
270 if (debugger_started || !DebugString)
271 return; /* nicht starten, falls kein -d oder -D, nicht zweimal starten */
272 debugger_started = 1;
273
274 if (strcmp(DebugString, "0")) {
275 /* debugger soll aus Programm heraus gestartet werden */
276 if (!system(NULL)) {
277 fprintf(stderr,"StartDebugger: No shell available\n");
278 exit(EXIT_FAILURE);
279 }
280 switch (sscanf(DebugString, " %197[a-zA-Z0-9._:-],%199s", Host, Debugger)) {
281 case 2:
282 if (!strcmp(Debugger, "ddd")) Debugger_call = Start_ddd;
283 else if (!strcmp(Debugger, "gdb")) Debugger_call = Start_gdb;
284 else if (!strcmp(Debugger, "dbx")) Debugger_call = Start_dbx;
285 else if (!strcmp(Debugger, "cvd")) Debugger_call = Start_cvd;
286 else if (!strcmp(Debugger, "totalview")) Debugger_call = Start_totalview;
287 else if (!strcmp(Debugger, "ups")) Debugger_call = Start_ups;
288 else {
289 fprintf(stderr, "StartDebugger: debugger %s not supported.\n", Debugger);
290 exit(EXIT_FAILURE);
291 }
292 break;
293 case 0:
294 host_ptr = NULL; /* no -display */
295 case 1:
296 /* try to set debugger smart ;-) */
297 if (uname(&op) == -1) {
298 perror("StartDebugger: uname failed");
299 exit(EXIT_FAILURE);
300 }
301 if (!strncmp(op.sysname, "Linux", 5) || !strncmp(op.sysname, "linux", 5)) Debugger_call = Start_gdb;
302 else if (!strncmp(op.sysname, "IRIX", 4)) Debugger_call = Start_cvd;
303 else if (!strncmp(op.sysname, "sn", 2)) Debugger_call = Start_totalview;
304 else Debugger_call = Start_gdb;
305 break;
306 default:
307 fprintf(stderr, "StartDebugger: could not read debugstring.\n");
308 exit(EXIT_FAILURE);
309 }
310 if (!strcmp(Host, "local")) host_ptr = NULL; /* no -display */
311 else if (!strchr(Host, ':')) strcat(Host, ":0"); /* kein :0 gesetzt */
312 if (Debugger_call(host_ptr, program_name, getpid())) {
313 fprintf(stderr, "StartDebugger: could not start %s on %s\n", Debugger, Host);
314 exit(EXIT_FAILURE);
315 }
316 }
317 sleep(60); /* danach sollte der Debugger gestartet sein */
318}
319
320/** Sets verbosity individually for each group.
321 * Depending on the specified general verbosity \ref CallOptions#Out the array \ref CallOptions#out
322 * is set accordingly
323 *
324 * \sa SetOutGroup2()
325 * \param *Call \ref CallOptions structure containing \ref CallOptions#Out and \ref CallOptions#out
326 */
327void SetOutGroup1(struct CallOptions *Call) {
328 int i, me;
329 MPI_Comm_rank(MPI_COMM_WORLD, &me); // me is the process number of this one
330 for (i=0; i < MaxOutGroup; i++) Call->out[i] = 0; // resetting all levels
331 if (me == 0) Call->out[MinOut] = 1; // generally (0) does some output
332 switch (Call->Out) {
333 case OutNone:
334 break;
335 case OutNormal:
336 if (me == 0) Call->out[MinOut] = 1;
337 if (me == 0) Call->out[NormalOut] = 1;
338 if (me == 0) Call->out[ValueOut] = 1;
339 break;
340 case OutNormalP:
341 Call->out[MinOut] = 1;
342 Call->out[NormalOut] = 1;
343 if (me == 0) Call->out[ValueOut] = 1;
344 break;
345 case OutMore:
346 if (me == 0) Call->out[MinOut] = 1;
347 if (me == 0) Call->out[NormalOut] = 1;
348 if (me == 0) Call->out[ReadOut] = 1;
349 if (me == 0) Call->out[ValueOut] = 1;
350 break;
351 case OutMoreP:
352 Call->out[MinOut] = 1;
353 Call->out[NormalOut] = 1;
354 Call->out[ReadOut] = 1;
355 Call->out[ValueOut] = 1;
356 break;
357 case OutAll:
358 break;
359 case OutAllP:
360 default:
361 ;
362 }
363}
364
365/** Set the output of various MPI communicating groups.
366 * Groups such as SpinDouble and for fft receive equal output levels
367 * regarding their calculations. Pattern is: "Me being part of the
368 * group? (..==0) Then set level to blabla"
369 *
370 * \sa SetOutGroup1()
371 * \param *P \ref Problem contains the communicators (aka groups)
372 * \param *Call \ref CallOptions contains verbosity level
373 */
374void SetOutGroup2(struct Problem *P, struct CallOptions *Call) {
375 int i;
376 switch (Call->Out) {
377 case OutNone:
378 break;
379 case OutNormal:
380 if (P->Par.me_comm_ST_Psi == 0) Call->out[LeaderOut] = 1;
381 break;
382 case OutNormalP:
383 if (P->Par.me_comm_ST_Psi == 0) Call->out[LeaderOut] = 1;
384 if (P->Par.me_comm_ST == 0) Call->out[StepLeaderOut] = 1;
385 break;
386 case OutMore:
387 if (P->Par.me_comm_ST_Psi == 0) Call->out[LeaderOut] = 1;
388 if (P->Par.me_comm_ST == 0) Call->out[PsiOut] = 1;
389 if (P->Par.me_comm_ST_Psi == 0) Call->out[StepLeaderOut] = 1;
390 break;
391 case OutMoreP:
392 if (P->Par.my_color_comm_ST_Psi == 0) Call->out[LeaderOut] = 1;
393 if (P->Par.my_color_comm_ST_Psi == 0) Call->out[PsiOut] = 1;
394 if (P->Par.my_color_comm_ST_Psi == 0) Call->out[StepLeaderOut] = 1;
395 break;
396 case OutAll:
397 for (i=0; i < MaxOutGroup; i++) Call->out[i] = 1;
398 break;
399 case OutAllP:
400 default:
401 for (i=0; i < MaxOutGroup; i++) Call->out[i] = 1;
402 }
403}
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